Base | Representation |
---|---|
bin | 101101101111… |
… | …0101110011101 |
3 | 1200010100200121 |
4 | 1123132232131 |
5 | 22114342312 |
6 | 2213554541 |
7 | 410556220 |
oct | 133365635 |
9 | 50110617 |
10 | 23980957 |
11 | 1259a280 |
12 | 8045a51 |
13 | 4c78420 |
14 | 32835b7 |
15 | 218a707 |
hex | 16deb9d |
23980957 has 16 divisors (see below), whose sum is σ = 32199552. Its totient is φ = 17248320.
The previous prime is 23980937. The next prime is 23980967. The reversal of 23980957 is 75908932.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 23980957 - 211 = 23978909 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23980937) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10978 + ... + 12979.
It is an arithmetic number, because the mean of its divisors is an integer number (2012472).
Almost surely, 223980957 is an apocalyptic number.
It is an amenable number.
23980957 is a deficient number, since it is larger than the sum of its proper divisors (8218595).
23980957 is a wasteful number, since it uses less digits than its factorization.
23980957 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 23988.
The product of its (nonzero) digits is 136080, while the sum is 43.
The square root of 23980957 is about 4897.0355318294. The cubic root of 23980957 is about 288.3736028787.
The spelling of 23980957 in words is "twenty-three million, nine hundred eighty thousand, nine hundred fifty-seven".
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